test/coverage: update bat subset

Author: mringwal

test/coverage_subset_bat.py

@@ -14,6 +14,12 @@
     'chipset/zephyr',
     'platform/embedded/btstack_audio_embedded.c',
     'platform/embedded/btstack_em9304_spi_embedded.c',
+    'platform/embedded/btstack_stdin_embedded.c',
+    'platform/embedded/btstack_tlv_flash_bank.c',
+    'platform/embedded/btstack_uart_block_embedded.c',
+    'platform/embedded/hal_flash_bank_memory.c',
+    'platform/freertos/btstack_run_loop_freertos.c',
+    'platform/freertos/btstack_uart_block_freertos.c',
     'platform/libusb',
     'platform/posix',
     'port/libusb',